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A new method for infrared imaging of air currents in and around critical hazard fume hoods.

Author: McCreary, J.R.; Mulac, W.A.; Schmalz, H.; Argonne National Lab.; United States. Department of Energy.; United States. Department of Energy. Office of Scientific and Technical Information.
Publisher: Washington, D.C. : United States. Dept. of Energy ; Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1994.
Edition/Format:   eBook : Document : National government publication : English
Database:WorldCat
Summary:
Active, safe real-time method of measuring and recording the efficacy of vapor containment in and around critical hazard fume hoods has been developed. An infrared camera whose response is restricted to a spectral range that overlaps a strong absorption band in a nontoxic gas is used to render real-time video images of the presence and flow of the gas. The gas, nitrous oxide, is ejected in a continuous stream in and  Read more...
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Material Type: Document, Government publication, National government publication, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: McCreary, J.R.; Mulac, W.A.; Schmalz, H.; Argonne National Lab.; United States. Department of Energy.; United States. Department of Energy. Office of Scientific and Technical Information.
OCLC Number: 68551941
Notes: Published through the Information Bridge: DOE Scientific and Technical Information.
03/01/1994.
"Anl/chm/pp--76144."
"DE94008131."
McCreary, J.R.; Mulac, W.A.; Schmalz, H.
Description: 5 pages : digital, PDF file

Abstract:

Active, safe real-time method of measuring and recording the efficacy of vapor containment in and around critical hazard fume hoods has been developed. An infrared camera whose response is restricted to a spectral range that overlaps a strong absorption band in a nontoxic gas is used to render real-time video images of the presence and flow of the gas. The gas, nitrous oxide, is ejected in a continuous stream in and around fume hoods that are to be certified capable of containing hazardous fumes. The principal advantage is that various scenarios of air flow displacement in and outside the hood can be easily investigated; the principal limitation is the necessity of high tracer gas concentration to obtain strong visualizations.

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Primary Entity

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